1. The main body cavity of coelenterates (such as jellyfish, sea anemones, and corals) that functions as a digestive chamber and is lined with gastrodermis.
Usage: biology; zoology; also spelled 'coelenteron' or 'enteron'

Examples

• The coelenteron of a jellyfish serves both digestive and circulatory functions.
• In sea anemones, the coelenteron is a simple sac-like structure.
• Nutrients absorbed in the coelenteron are distributed throughout the organism.
• The coelenteron is lined with specialized cells that secrete digestive enzymes.
• Corals use their coelenteron to process food particles captured by tentacles.